As publicly announced, the annual meeting will be held on Wednesday, April 19, 2023 at 9:30 a.m. Central Daylight Time. Shareholders as of the close of business on the record date of February 15, 2023, and their legal proxies and other interested parties may attend the virtual annual meeting at https://meetnow.global/MT2LVNR.

Shareholders as of the close of business on the record date, who have a control number may attend the virtual annual meeting as a “Shareholder” and may vote during, and participate in, the annual meeting by following the instructions available on the meeting website. For registered shareholders, the control number can be found on their proxy card or notice, or email they previously received. Only one shareholder per control number may access the meeting.

Shareholders and other interested parties who do not have a control number may attend the virtual annual meeting as a “Guest” but will not have the option to vote or ask questions during the meeting.

About Commerce Bancshares, Inc.

With $32 billion in assets¹, Commerce Bancshares, Inc. (NASDAQ: CBSH) is a regional bank holding company offering a full line of banking services, including payment solutions, investment management and securities brokerage. Commerce Bank, a subsidiary of Commerce Bancshares, Inc., leverages more than 155 years of proven strength and experience to help individuals and businesses solve financial challenges. In addition to offering payment solutions across the U.S., Commerce Bank currently operates full-service banking facilities across the Midwest including the St. Louis and Kansas City metropolitan areas, Springfield, Central Missouri, Central Illinois, Wichita, Tulsa, Oklahoma City, and Denver. It also maintains commercial offices in Dallas, Houston, Cincinnati, Nashville, Des Moines, Indianapolis, and Grand Rapids. Commerce delivers high-touch service and sophisticated financial solutions at regional branches, commercial offices, ATMs, online, mobile and through a 24/7 customer service line. Learn more at www.commercebank.com.

¹As of March 31, 2023

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